Most carpenters know that a belt sander can produce a reasonably acceptable edge on a dull chisel. And knife-makers and professional sharpeners often use special belt grinders to shape and sharpen blades. You can get many of the benefits of a professional belt grinder for a fraction of the cost with a 1 x 30-in. benchtop belt sander. The one shown is the Grizzly 1-Inch Belt Sander, available from amazon.com for less than $100. Buy 180- and 240-grit belts and you'll be set for serious knife…
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